Sutawidjaja, Igan Supriatman, et al. “Characterization of Volcanic Deposits and Geoarchaeological Studies from the 1815 Eruption of Tambora Volcano”. Indonesian Journal on Geoscience, vol. 1, no. 1, Mar. 2006, pp. 49-57, doi:10.17014/ijog.1.1.49-57.